Poly(tetramethylene adipamide)
[化] 聚己二酰丁二胺; 尼龙-46
🗣️ 情景例句
She's a really fantastic girl.
她真是个了不起的女孩。
Could you give me an indication of the price?
您能提供一个参考价吗？
The Great St.Bernard Pass connects Switzerland to Italy.
圣伯纳德大山口连接着瑞士与意大利，